initial refactoring

protobuf/proto/DAC.proto

@@ -0,0 +1,39 @@
+syntax = "proto3";
+
+package sys;
+import "GPIO.proto";
+import "DacControlSet.proto";
+import "I2CBus.proto";
+import "customoptions.proto";
+import "nanopb.proto";
+option (nanopb_fileopt).enum_to_string = true;
+
+enum DACModelEnum {
+  UNSPECIFIED_MODEL = 0;
+  TAS57xx = 1;
+  TAS5713 = 2;
+  AC101 = 3;
+  WM8978 = 4;
+  ES8388 = 5;
+  I2S = 6;
+  CS4265 = 7;
+}
+enum MCKEnum {
+  UNSPECIFIED_MCK = 0;
+  MCK0 = 1;
+  MCK1 = 2;
+  MCK2 = 3;
+}
+
+message DAC {
+  option (nanopb_msgopt).msgid  = 10008;
+  GPIO bck = 1 [(cust_field).read_only = true] ;
+  GPIO ws = 2;
+  GPIO dout = 3;
+  MCKEnum mck = 4;
+  GPIO mute = 5;
+  DACModelEnum model = 6;
+  I2CBus i2c = 7;
+  DacControlSet daccontrolset = 8;
+  bool jack_mutes_amp = 9;
+}